# Copyright (2025) Bytedance Ltd. and/or its affiliates 

# Licensed under the Apache License, Version 2.0 (the "License"); 
# you may not use this file except in compliance with the License. 
# You may obtain a copy of the License at 

#     https://www.apache.org/licenses/LICENSE-2.0

# Unless required by applicable law or agreed to in writing, software 
# distributed under the License is distributed on an "AS IS" BASIS, 
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
# See the License for the specific language governing permissions and 
# limitations under the License. 


import io
import sys
from contextlib import redirect_stdout

class OutputCollector:
    def __init__(self):
        self.output = io.StringIO()

    def __enter__(self):
        self.old_stdout = sys.stdout
        sys.stdout = self.output
        return self

    def __exit__(self, exc_type, exc_val, exc_tb):
        sys.stdout = self.old_stdout
        
    def get_output(self):
        return self.output.getvalue()
        